If children don't eat they aren't healthy., , When the weather is fine I cycle to work., , Cities get flooded if it rains a lot., , Wood doesn't burn if there is no air., , I get sick when I eat too much chocolate., , Ice floats when you drop it in water., , If iron gets wet, it rusts., , The grass doesn't grow if it doesn't rain., , Plants die if they don't get enough water., , When icebergs melt, sea levels rise., .

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